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World in Biological Definition

Abiogenesis

... the occurrence of abiogenesis in the microscopic world was disproved as much as its occurrence in the ... the living organisms observed in the present world had originally arisen in a series of stages from ... currently under debate; see, for example, RNA world hypothesis , proteinoid , Miller experiment . ...

Alexander Fleming

... Hospital medical school in London until world War I broke out. He participated in a ... was not developed for mass distribution until world War II when Howard Florey and Ernst Boris ... to the public and saving millions of lives in world War II . Florey's work proceeded over the ...

Botany

... and motivation of botany 1.1 Feed the world 1.2 Understand fundamental life processes ... Understand environmental changes Feed the world Virtually all of the food we eat comes from ... is therefore important to be able to feed the world and provide food security for future ...

Culture

... "the best that has been thought and said in the world (Arnold, 1960: 6). Thus labeling anything that ... characterized by a distinct and incommensurable world view. Although more inclusive, this approach to ... view of culture, which came to dominate between world War I ...

Diabetes mellitus

... Statistics In 2004, according to the world Health Organization , more than 150 million ... of type 1 diabetics in other parts of the world differs; this is likely due to both differences ... of type 2 diabetics in other parts of the world varies substantially, almost certainly for ...

Digital organism

... idea from Core War one step further in his core world system. He introduced mutations, in the form of ... out that the programming language in which core world programs were written was very brittle, and more ... organisms research Amoeba Avida Core world Physis Tierra Darwinbots ...

Ebola

... been the deaths of monkeys traded throughout the world for experimental purposes. Three out of the four ... airlines that transport monkeys throughout the world have quit transporting monkeys because of the ... Breakthrough in Ebola Vaccine . BBC News world Edition 6 August 2003 . 3 September 2003 . ...

Eugenics

... policies and programs of many types. After world War II , however, the invocation of eugenics by ... on trial for war-crimes in Nuremberg after world War II , they justified their mass-sterilizations ... arena of human life. Before the death camps of world War II , the idea that eugenics, in an ultimate ...

Human

... life expectancy around the world. The developed world is quickly getting older, with the median age ... Monaco at 45.1 years), while in the developing world , the median age is 15-20 years (the lowest in ... , is 60 years or older, according to The world Factbook . [5] The number of centenarians ...

Nutrition

... Good health became the norm in the developed world through increased understanding of communicable ... A hidden epidemic gradually emerged in the post world War II years, where non-communicable endemic ... in food availability between first and third world populations (see famine and poverty )? How ...

Origin of life

... 2.2.1 "Genes first" models: the RNA world 2.2.2 "Metabolism first" models: iron-sulfur world and others 2.2.3 Hybrid models 3 ... by Gnter Wchtershuser , in his iron-sulfur world theory . In this theory, he postulated the ...

Population

... countries by population Overpopulation world population External links Phishare.org ... (2005). Population World: Population of world . Retrieved February 13, 2004. United Nations ... and maps about populations around the world . Retrieved March 4, 2005. ...

RNA

... 2 Comparison to DNA 3 Synthesis 4 RNA world hypothesis 5 Biological role 5.1 ... which gene expression is regulated. RNA world hypothesis The RNA world hypothesis proposes that the universal ancestor ...

Rudolf Steiner

... Steiner the Activist For a period after world War I, Steiner was extremely active and ... tens of thousands of copies. Today around the world there are a number of innovative banks, ... are at least two others available in English: world Economy (14 lectures from 1922) and The Social ...

Alfred Russel Wallace

... 1 Early life 2 Exploration and study of the natural world 3 Theory of evolution 4 Religious views, and application of the ... to run the surveying business. Exploration and study of the natural world In 1848 , Wallace, together with another naturalist, Henry Walter ...

Antibiotic

... that during the 1940s, the improvement of antibiotics saved lives the world over. In the 1930s German scientists investigated the antibacterial ... soil bacteria. With the increased need for treating wound infections in world War II , resources were poured into investigating and purifying ...

Biodiversity

... . Some examples are: Brazil is said to represent 1/5 of the world biodiversity, with 50,000 plant species, 5,000 vertebrates, 10-15 million ... to biological diversity was among the hot topics discussed at the UN world Summit for Sustainable Development, in hope of seeing the foundation of a ...

Cryptozoology

... these out to demonstrate that there are many unexplored regions of the world left, and that remote exotic locations or specialized ecosystems ... fact inhibit discovery of unknown animals. Others have suggested a rigid world view disallows many academics from accepting evidence contrary to their ...

Extinction

... introduction of new predators , and other influences. According to the world Conservation Union (WCU, formerly the IUCN ), 784 extinctions have been ... Since this effect was discovered, DDT has been banned in many parts of the world and affected bird populations are recovering. Habitat degradation can ...

Albinism

... is approximately 1 in 50. Snowdrop, an albino African Penguin, born at Bristol Zoo (England), died in August 2004. No other zoo in the world had an albino penguin and only two or three have ever been reported in the wild. Snowdrop would normally have looked like the background penguins ...

Animal

... usually early on in their development as embryos , although some undergo a process of metamorphosis later on. Aristotle divided the living world between animals and plants , and this was followed by Carolus Linnaeus in the first hierarchial classification. Since then biologists have begun ...

Andrew Huxley

... time. The experiments took place at the University of Cambridge beginning in the 1930s and continuing into the 1940s , after interruption by world War II . The pair published their theory in 1952 . He currently maintains his position as a fellow at Trinity College, Cambridge , teaching in ...

Anton van Leeuwenhoek

... has met my eye than this of so many thousands of living creatures in one small drop of ... " - Stated after his discovery of the microscopic world over three centuries ago. He is thought by some to have been the model for Vermeer 's painting The Geographer (Stadelsches Kunstinstitut, ...

Avian influenza

... Avian influenza in humans can be detected with standard influenza tests. However, these tests have not always proved reliable. In March 2005, the world Health Organization announced that seven Vietnamese who initially tested negative for bird flu were later found to have carried the virus. All seven ...

Cloning

... in Star Wars Episode II are regarded as the best cloners in the galaxy. Metropolis : a movie in which the workers are cloned. Brave New world : the population is grown.The lower castes are cloned from a single egg (Bokanofskyfied ). External links Cloning in Focus , an accessible ...

Down syndrome

... other disabilities by the Nazi government in Germany in the 1930s - 1945 , and the creation of compulsory sterilization programs around the world which targeted the mentally disabled. Today, Down Syndrome is considered a ground for abortion in an increasing number of countries. The number ...

Drug

... The Pursuit of Oblivion: A Global History of Narcotics (2002) ISBN 0393051897 Forces of Habit: Drugs and the Making of the Modern world (2002) ISBN 0674010035 Pharmako/Dynamis: Stimulating Plants, Potions and Herbcraft (2002) ISBN 1562791257 Illegal Drugs: A Complete ...

Evolution

... English, people use the word "theory" to signify "conjecture", "speculation", or "opinion". In contrast, a scientific theory is a model of the world (or some portion of it) from which falsifiable hypotheses can be generated and be verified through empirical observation . In this sense, ...

Eukaryote

... prokaryotes, their higher level of organizational complexity has permitted the development of truly multicellular organisms. Without eukaryotes, the world would lack mammals, birds, fish, invertebrates, mushrooms, plants, and complex single-celled organisms. Eukaryotes are generally held to have ...

Fermentation

... in pickling the acid produced by the dominant bacteria inhibit the growth of all other microorganisms. Fermentated foods, by region world wide: olives , vinegar , wine , yoghurt Asia India: achar , gundruk , Indian pickles South East Asia : asinan , bai-ming , ...

Francis Crick

... of the DNA molecule. Born in Northampton , England , he studied physics at University College London , and became a B.Sc. in 1937 . During world War II , he worked on magnetic and acoustic mines . He began studying biology after the war's end. In 1951 , he started working with James D. ...

Foot and mouth disease

... infects humans but spreads rapidly among animals, it is a much greater threat to the agriculture industry than to human health. Farmers around the world can lose billions of dollars a year during a foot-and-mouth epidemic, when large numbers of animals are destroyed and revenues from milk and meat ...

Genetics

... have used and continue to use to perpetuate themselves. This definition grows out of work on the origin of life , specifically the RNA world hypothesis . Population, quantitative and ecological genetics Main articles: Population genetics , Quantitative genetics , Ecological ...

Glycome

... cellular adhesion cellular communication See also List of omics topics in biology External links and references Bio-IT world a periodical covering glycomics The Sugar Rush Adobe Acrobat PDF The Glycome Project: A Sugar Coated Proposal Glycome project: concept, ...

Hardy-Weinberg principle

... will in any case continue unchanged after the second generation The principle was thus known as Hardy's law in the English -speaking world until Stern ( 1943 ) pointed out that it had first been formulated independently in 1908 by the German physician Wilhelm Weinberg (see Crow ...

Hepatitis B

... Originally known as serum hepatitis, Hepatitis B has only been recognized as such since world War II , and has caused current epidemics in parts of Asia and Africa . Hepatitis B is recognized as endemic in China and various other parts ...

Ichthyology

... , and Linnaeus published his manuscripts posthumously. During the 18th and 19th century , a steady stream of specimens from all parts of the world deluged museums. In the 1780s Marcus Elieser Bloch published Ichthyologia as a series of volumes of plates, and after he died, his associate ...

Insulin

... and the research was shut down. Israel Kleiner demonstrated similar effects at Rockefeller University in 1919, but his work was interrupted by world War I and he was unable to return to it. Nicolae Paulescu , a professor of physiology at the Romanian School of Medicine published similar work in ...

Keratin

... structures stronger and better-suited to protect the body from the environment. See also Acne Keratosis pilaris References world Book Encyclopedia (1998) External links Diagram ...

Konrad Lorenz

... His scientific work appeared mainly in journal articles, mostly written in German; it became widely known to the English-speaking scientific world through the descriptions of it in Tinbergen's 1951 book, The study of instinct , though many of his papers were later published in English ...
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(Date:12/15/2009)... Economics, environmental impacts, social dynamics, and production levels ... success of an agroecosystem. Positive or negative, these ... and social groups to continuously adapt farming and ... Experiential learning theory suggests that knowledge is gained ... lessons are especially valuable for environmental and agricultural ...
(Date:12/15/2009)... and ancient American horses may have been grazing ... longer than previously thought. After plucking ancient DNA ... of researchers used cutting-edge techniques to uncover "genetic ... dated to between 7,600 and 10,500 calendar years. ... population of these now-extinct mammals endured longer in ...
(Date:12/15/2009)... This release is available in German ... use in predicting the future distribution of mammals. This ... niches of 140 indigenous European mammals. The researchers analysed ... as well as the phylogenetic information of the species. ... for closely related species, mammals seem to adapt fast ...
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